Docs: Update `wp_rand` docblock to clarify that it returns a non-negative number.

Props hakre, westi, jeremyfelt, neychok, sabernhardt, audrasjb.
Fixes #15089.

Built from https://develop.svn.wordpress.org/trunk@54190


git-svn-id: http://core.svn.wordpress.org/trunk@53749 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/pluggable.php

@@ -2612,7 +2612,7 @@ endif;
 
 if ( ! function_exists( 'wp_rand' ) ) :
 	/**
-	 * Generates a random number.
+	 * Generates a random non-negative number.
 	 *
 	 * @since 2.6.2
 	 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available.
@@ -2624,7 +2624,7 @@ if ( ! function_exists( 'wp_rand' ) ) :
 	 *                 Accepts positive integers or zero. Defaults to 0.
 	 * @param int $max Optional. Upper limit for the generated number.
 	 *                 Accepts positive integers. Defaults to 4294967295.
-	 * @return int A random number between min and max.
+	 * @return int A random non-negative number between min and max.
 	 */
 	function wp_rand( $min = null, $max = null ) {
 		global $rnd_value;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54189';
+$wp_version = '6.1-alpha-54190';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.